Littelfuse LX8 Series Uživatelský manuál stáhnout pdf (Strana 3)

29

Revised: 09/23/13

©2013 Littelfuse, Inc

Speciﬁcations are subject to change without notice.

Teccor

®

brand Thyristors

EV Series 0.8 Amp Sensitive Triacs

LX8 Series

Figure 1: Deﬁnition of Quadrants

MT2 POSITIVE

(Positive Half Cycle)

MT2 NEGATIVE

(Negative Half Cycle)

MT1

MT2

+ I

G

T

REF

QII

MT1

I

GT

GATE

MT2

REF

MT1

MT2

REF

MT1

MT2

REF

QI

QIV

QIII

ALL POLARITIES ARE REFERENCED TO MT1

(-)

I

GT

GATE

(+)

I

GT

-

I

GT

GATE

(-)

I

GT

GATE

(+)

+

-

Junction Temperature (T

J

) °C

Ratio of

I

GT

(T

J

= 25ºC)

I

GT

I

H

(T

J

= 25ºC)

-55 -40 -15 +5 +25 +45 +65 +85 +110

0.0

1.0

2.0

3.0

INITIAL ON-STATE CURRENT = 100mA (DC)

+125

I

H

Ratio of

0.5

1.5

2.5

Junction Temperature (T

J

) °C

Figure 3: Normalized DC Holding Current

vs. Junction Temperature

Figure 2: Normalized DC Gate Trigger Current for

All Quadrants vs. Junction Temperature

Figure 4: Normalized DC Gate Trigger Voltage for

All Quadrants vs. Junction Temperature

-55 -40 -15 +5 +25 +45 +65 +85

0.0

0.50

1.0 0

1.50

2.00

+125

V

GT

Ratio of

+110

0.25

0.75

1.2 5

1.7 5

Junction Temperature (T

J

) °C

V

GT

(T

J

= 25ºC)

Average On-state Power Dissipation

[P

D(AV)

] - Watts

0.0 0.1 0.2 0.3 0.4 0.5 0.6

0.0

0.25

0.50

0.75

1.0 0

1.2 5

1.50

1.7 5

2.00

RMS On-state Current [I

T(RMS)

] - Amps

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 360˚

0.7 0.8 0.9 1.0

Figure 5: Power Dissipation (Typical)

vs. RMS On-State Current

Figure 6: Maximum Allowable Case Temperature

vs. On-State Current

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

50

60

70

80

90

100

110

130

RMS On-state Current [ I

T(RMS)

] - Amps

Maximum Allowable Case Temperature

(T

C

) - ˚C

1.00.9

120

TO-92

SOT-223

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 360

o

CASE TEMPERATURE: Measured as

shown on dimensional drawings

1 2 3 4 5 6 7 8

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